Rafael walks 22.5 km in 9 days.
The correct answer would be that it would be more reliable to survey everyone instead of a few because it would only be conformative to those surveyed people’s taste.
Answer:

Step-by-step explanation:
Do this problem by multiplying the top and bottom by 2/1 as shown:

If you take this equation and graph it you get the points (0,-2) (6,0) (-6,-4) and (3,-1)